the debate heats up with judge andrew napolitano. connell: all u.s. american flights grounded yesterday. ♪ connell: a big selloff in the markets. we will get to rich with the latest development now evolving president obama with these powdered subsistence, ricin, or whatever they may be in a couple minutes. dagen: nicole petallides is at the new york stock exchange with more. nicole: easy come easy go. use all the up arrow's yesterday. how about the tech heavy nasdaq version mark down over 2%. you had earnings and both bank of america and intel are to the downside. some cases, seven week lows for the european stocks. back to you. connell: thank you, nicole. dagen: learning a second letter containing a powdered substance thought to be ricin was also sent to president obama. connell: we do not know yet. rich edson has the story. rich: two letters, one sent to a senator, one sent to president obama. intercepted at a secondary facility. both containing a white powdery substance. the one sent to the senator preliminary tested positive for ricin. the one s